Do higher yields keep foreign demand for Treasuries strong?
Core argument: Foreign private investors stepped up their Treasury purchases after the Federal Reserve began raising interest rates in March 2022, attracted by the higher level of yields.
When the Fed started raising interest rates in March 2022, foreign private investors started buying a lot more Treasuries because they liked the higher level of yields. Japan is the biggest foreign holder of US Treasuries. With rates higher for longer, the latest data shows continued strong demand from Japan.

